The Toshiba ST-55 is a tuner manufactured by Toshiba between the years 1981 and 1984 in Japan. The device is finished in black and originally sold for approximately 680 DM. The ST-55 is part of a series that includes integrated amplifiers with models such as the Toshiba SB-66 and SB-77, a preamplifier model Toshiba SY-λ 88, and a power amplifier model Toshiba SC-λ 99. In addition to the ST-55 tuner, the range also included a tape deck model, the Toshiba PC-X 88 AD. Its design and functionality are indicative of the audio equipment standards prevalent during its time period, aiming to provide quality audio performance.